v = vector([3,4])
w = vector([4,3])
x = sqrt(3*3+4*4)
y = sqrt(4*4+3*3)
print "Dot Product is ",v*w
print "Length of v is ", x
print "Length of w is ", y
print "Sum is ",v+w
z = sqrt(7*7+7*7)
t = (v*w)/(x*y)
print "cos(theta) is",t

Strang-1.2-1.2A (last edited 2010-12-18 10:18:34 by Siva Jyoshna Poreddy)